Refrigerator



FIG. 1 is a right perspective view of a refrigerator showing the design.

FIG. 2 is a left perspective view of the refrigerator.

FIG. 3 is a front elevation view of the refrigerator.

FIG. 4 is a left perspective view of the middle portion of FIG. 2 ; and,

FIG. 5 is a right perspective view of the middle portion of FIG. 1 .

The broken lines depict portions of the refrigerator that form no part of the claim. 

CLAIM The ornamental design for a refrigerator, as shown and described. 